package cn.edu.ctbu.datajpa01.controller;

import cn.edu.ctbu.datajpa01.domain.Student;
import cn.edu.ctbu.datajpa01.service.StudentService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.List;

@Controller
public class StudentController {

    @Autowired
    StudentService studentService;

    @RequestMapping("/student/list")//网页地址
    public String list(HttpServletRequest httprequest,Model model) {

        HttpSession session=httprequest.getSession();
        if(session.getAttribute("userid")==null){
            //没有登录，需要登录
            return "redirect:/login/user";
        }
        List<Student> students = studentService.findAll();

        model.addAttribute("data", students);

        return "/student/list";
    }

}


